Home / 149,937.14-207,068.20-129,696.86

Finding the Fourth Proportional to 149,937.14, 207,068.20 and 129,696.86

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Solution

The fourth proportional to 149,937.14, 207,068.20 and 129,696.86 is: 179,115.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,937.14 : 207,068.20 = 129,696.86 : x
  2. Step 2: Convert to fraction form
    149,937.14/207,068.20 = 129,696.86/x
  3. Step 3: Cross multiply
    149,937.14x = 207,068.20 × 129,696.86
  4. Step 4: Simplify right side
    149,937.14x = 26,856,095,345.85
  5. Step 5: Solve for x
    x = 26,856,095,345.85/149,937.14
  6. Step 6: Final answer
    x = 179,115.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.